Curated Video
Sorting Groups of Equations and Expressions
Sorting Groups of Expressions identifies the differences between equations and expressions by sorting a group of equations and expressions into groups based on the definitions.
Curated Video
Multiplying 2-Digit Numbers by 1-Digit Numbers
This video is an introduction into multiplying numbers using the written method - short multiplication. It teaches learners how to multiply a 2-digit number by a 1-digit number.
Curated Video
Understanding Measures of Center: Mean, Median, Mode, and Range
Do you need to learn how to find a mean, median, mode and range of a data set? In this video, I will guide you through an explanation of the terms and show you how to find and calculate them using a data set. A dot plot is used to help...
Rock 'N Learn
Learn About the Number 8
Learn to recognize and understand Number 8. Learn to count up to and down from eight. Created by teachers, learn how to show 8 in a ten frame. Learn to draw 8 tally marks. See the number 8 with objects that sometimes come to life for a...
Math Fortress
GRE Arithmetic: Integers (Part 4 of 4)
This video is a review of basic arithmetic for the purpose of solving problems on the quantitative reasoning section of the GRE revised General Test. This video covers the basics of integers. Topics covered include: Even and Odd...
Curated Video
Numbers in English
This English language learning video covers the basic use of numbers in everyday language. It introduces ordinal numbers, simple words, expressions, and tips.
Curated Video
Recognizing Relationships Between Place Values: Multiplying and Dividing by 10
In this lesson, students will learn how to determine the relationship between place values by multiplying or dividing by 10. They will understand that each shift to the left increases the place value by 10 times, while each shift to the...
Curated Video
Using Rounding on a Number Line to Solve Word Problems
In this video, the teacher explains how rounding can help solve word problems. They demonstrate how to round numbers on a number line and use estimation to find the answer to a multistep word problem.
KnowMo
Plotting Inequalities on Number Lines
In this video lecture, the instructor teaches how to plot inequalities on number lines. This technique allows visualizing the values that a variable can take as defined by the inequality being dealt with. The instructor explains how to...
Curated Video
Rounding Decimals to the Nearest Whole Number Using a Number Line
In this video, the teacher explains how to round decimals to the nearest whole number using a number line. They demonstrate the process step by step, showing how to determine whether a decimal is closer to the whole number before or...
Mr. Beat
The Anatomy of Revolution
In 1938, historian Crane Brinton published "The Anatomy of Revolution," which outlined patterns of revolutions he observed while examining the English Revolution (English Civil War/Glorious Revolution), American Revolution, French...
Brian McLogan
Learn how to simplify the expression by applying distributive property twice, 3(y-6)-(y+7)
π Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Brian McLogan
How do you factor a polynomial
Learn how to factor higher order trinomials. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. To factor an algebraic expression means to break...
Brian McLogan
Learn how to factor an expression by factoring out the GCF
π Learn how to factor polynomials by GCF. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. To factor an algebraic expression means to break it...
Brian McLogan
Using prime factorization to factor out the GCF
π Learn how to factor polynomials by GCF. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. To factor an algebraic expression means to break it...
Brian McLogan
Factoring Monomials | Step by Step | Part 1
πIn this video I will show you how to understand factoring with monomials. This will help build up our understanding of factoring so we can factor larger polynomials as well as simplify radicals.
Brian McLogan
What exactly is factoring a polynomial
π Learn how to factor polynomials by GCF. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. To factor an algebraic expression means to break it...
Getty Images
Oxygen atom. Diagram of an atom of the element oxygen, showing the central nucleus surrounded by its electron orbitals.
Oxygen is the eighth element, and has eight protons (red) in its nucleus, along with eight neutrons (blue). Oxygen has eight electrons, and each of its orbitals can hold a maximum of two. Orbitals are filled from the lowest energy...
Getty Images
Minting Coinage
Old minting machine making coins, dispensing coins into trough / Rectangular coins - Indian currency - being held in man's hand / Indian man sliding sleeve of slugs into tube of minting machine / Machine spitting out intricate circular...
Getty Images
Train wreck kills eight
/ two trains in head on collision sit on the tracks / crowd surround the trains / victims removed on stretchers / CU twisted metal of the train / crane starts moving the rubble. Train wreck kills eight on May 19, 1951 in Bryn Mawr,...